package com.example.springcloud.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.Date;

/**
 * @author sunliang
 * @version 1.0
 * @date 2020/4/26 11:49
 */
@Component
@Slf4j
public class MyLogGateWayFilter implements GlobalFilter,Ordered
{
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain)
    {
        log.info("************ com in MyLogGateWayFilter:  "+ new Date());

        String uname = exchange.getRequest().getQueryParams().getFirst("uname");
        if(uname == null)
        {
            log.info("*****用户名为null, 非法用户。。。");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
            return exchange.getResponse().setComplete();
        }


        return chain.filter(exchange);
    }

    @Override
    public int getOrder()
    {
        return 0;
    }
}
